User Manual - Box Design by Pro
Contents
1. 10 CID o BY PRO JECT AUDIO SYSTEMS INSTRUCTIONS FOR USE Pro Ject Pre Box S Dear music lover thank you for purchasing a Pro Ject Audio Systems preamplifier In order to achieve maximum performance and reliability you should study these instructions for use carefully V Warning of a hazard for the user the unit or possible misuse nes Important notice Safety instructions AC outlet voltages vary from country to country Before connecting to the mains make sure that the voltage in your area meets the voltage requirements printed on the power supply The power supply is used to disconnect the unit from the mains Make sure that the power supply is easily V accessible at all times Never handle the device the power supply while your hands are wet or damp Avoid letting liquids enter the device or the power supply Never place any item containing liquid such as a flower vase on or near the device Never spill any liquid on the device or the power supply Never place any naked flame sources such as lighted candles on or near the device The product shall not be used in damp or wet locations next to a bathtub sink swimming pool or any other similar conditions Connectors g in Qe m2 e Su CE Power Left Right Len Right Left Right 1V 0 0 0 E gt Ject Audio Systems Vienna Austria Yoco Make all connections whilst the preamplifier is disconnected from the power supply Take care t2. consumption 100mA AC lt 1W in standby Replacement battery remote control 1 x CR2032 3V or 1 x CR2025 3V Dimensions W x H x D D with sockets 103 x 36 x 104 109 mm Weight 630g without power supply Service Should you encounter a problem which you are not able to alleviate or identify please contact your dealer for further advice Only when the problem cannot be resolved there should the unit be sent to the responsible distributor in your country Warranty The manufacturer accepts no responsibility for damage caused by not adhering to these instructions for use Modification or change to any part of the product by unauthorized persons releases the manufacturer from any liability over and above the lawful rights of the customer Copyright Pro Ject Audio Systems is a Registered Trademark of The information was correct at the time of going to H Lichtenegger press The manufacturer reserves the right to make This guide was produced by Pro Ject Audio Systems changes to the technical specification without prior Copyright 2015 All rights reserved notice as deemed necessary to uphold the ongoing process of technical development 4 Pro Ject Audio Systems gt Pro Ject Pre Box S Revision 2015 5 15
3. audio signal of Tuner Box S must be connected to the line level input socket In 1 on the Pro Ject Pre Box S The trigger signal is passed through the Trigger In socket to the Trigger Out socket of the Tuner Box S through which it can be relayed to the input expander Pro Ject Switch Box S Two approx 45cm long trigger leads are supplied with the Pro Ject Tuner Box S Longer leads may be purchased from your Pro Ject dealer Do not use this trigger output for any other connections for which it is not designed If any other input is used to connect the Pro Ject Tuner Box S to a Pro Ject Pre Box S the trigger lead should not be used V Switch off all units and disconnect them from the mains before connecting or disconnecting the trigger lead Failing to do so could result in damage to the units Mains power connection Connect the low voltage plug from the power supply to the Power 18V Y socket before connecting the power supply to the mains Remote control ON OFF turns the unit on or back into standby VOL and adjust the sound volume MG select the inputs AA Front panel controls 2 0 9 7 To switch on from standby or to standby The push button on the front panel turns the unit on or back into standby press and hold to switch into standby mode The blue LED above the stand by push button shows that the unit is switched on Input selector After the unit is powered on pressing the grey button next
4. o connect the left and right channels correctly The right channel is usually marked red the left channel black or white Never use any other power supply than the one supplied with the unit Pre out A power amplifier or active loudspeakers can be connected to the output sockets marked Out Inputs Line level sources such as CD player radio or TV can be connected to the input sockets marked In 1 or In 2 Remote power on switching voltage The socket marked Trigger Amp provides a 12V DC switched output voltage for remote power on of units with this facility such as the Pro Ject Amp Box S or Pro Ject Amp Box S Mono which corresponds to the position on off of the power switch on the front panel Optional Pro Ject Switch Box S The Trigger Switch socket connects the input expander Pro Ject Switch Box S The Switch Box S provides three extra line level inputs A 45cm remote power on cable polarity 8 is supplied with the Pro Ject amplifiers for connecting the remote switched power socket to the Pro Ject Pre Box S Longer cables are available from your Pro Ject dealer Do not use this trigger output for any other connections for which it is not designed 2 Pro Ject Audio Systems gt Pro Ject Pre Box S Revision 2015 5 15 Remote switch of Tuner Box S The switching lead should be connected to the Trigger Switch socket on Pre Box S and the Trigger In socket on the Tuner Box S In order to ensure correct remote switching the
5. to the two LEDs selects the inputs in turns The selected input will be shown by the corresponding LED If the optional input expander Pro Ject Switch Box S is connected the input selector will also select the additional inputs provided by the Switch Box S For further details please see the user guide of the Pro Ject Switch Box S Volume Adjust the volume to the desired level using the large knob on the front panel Pro Ject Audio Systems Pro Ject Pre Box S Revision 2015 5 15 3 Replacing batteries Proceed as follows e Unlock and slide open the battery case cover e Replace the battery Make sure the battery is the right way round e Close the battery case cover Battery type 1 x CR2032 3V or 1 x CR2025 3V Do not dispose the batteries as ordinary domestic refuse Please dispose your exhausted batteries at the appropriate collection sites usually located at supermarkets and drugstores Technical specifications Pro Ject Pre Box S Frequency response 20Hz 20kHz 0 2dB Noise floor 100dB A weighted THD 0 001 Gain 8 5dB Pre out 1 pair RCA phono sockets Output voltage typically 1V at 1kHz Line level inputs 2 pairs RCA phono sockets Input impedance 20kohms Trigger Amp 12V DC switching voltage Trigger Amp 2 pole 2 5mm co axial jack Trigger Switch digital switching signal Trigger Switch 2 pole 2 5mm co axial jack Outboard power supply 18V 500mA DC suitable for your country s mains supply Power
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